Derwent Macdee Metro Rapid 3 Part Round Toilet Cistern Lever Flush Syphon Syphon Height:9" Flush Valve Thread Diameter: 1

Flush Valve Thread Diameter: 1 1/2"

If your Ideal Standard inlet valve won't shut off properly it could very well be that the diaphragm washer inside of the valve needs to be replaced

Compatible with standard UK cistern installations

it could very well be that not enough pressure is being generated to lift the flushing assembly of the valve

Fits virtually all float operated cisterns and offers the highest level of inlet valve adjustability

Derwent Macdee Metro Rapid 3 Part Round Toilet Cistern Lever Flush Syphon Syphon Height:9" Flush Valve Thread Diameter: 1The Macdee Metro 3 part WRAS approved syphon range provides the most traditional, tried and tested solution for lever flush WC Flushing. The range includes four distinct shapes to ensure compatibility with most cisterns; oblong, round, d shaped and square. These syphons have an easy to remove upper section allowing for easy maintenance or replacement without the need to remove the cistern. The syphon comes complete with a backnut, a coupling nut,